<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 五角星 -->
    <svg width="300" height="200">
        <polygon points="100,10 40,198 190,78 10,78 160,198"
        style="fill:lime;stroke:purple;stroke-width:5;fill-rule:evenodd;" />
      </svg>

      <!-- log -->
      <svg height="130" width="500">
        <defs>
          <linearGradient id="grad1">
            <stop offset="0%" stop-color="black" />
            <stop offset="100%" stop-color="red" />
          </linearGradient>
        </defs>
        <ellipse cx="100" cy="70" rx="85" ry="55" fill="url(#grad1)" />
        <text fill="#ffffff" font-size="45" font-family="Verdana" x="50" y="86">cdm</text>
        Sorry, your browser does not support inline SVG.
      </svg>
</body>
</html>